6655111 has 8 divisors (see below), whose sum is σ = 7232000. Its totient is φ = 6100920.

The previous prime is 6655097. The next prime is 6655133. The reversal of 6655111 is 1115566.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6655111 - 2¹³ = 6646919 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6659111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5061 + ... + 6238.

It is an arithmetic number, because the mean of its divisors is an integer number (904000).

Almost surely, 2^6655111 is an apocalyptic number.

6655111 is a deficient number, since it is larger than the sum of its proper divisors (576889).

6655111 is a wasteful number, since it uses less digits than its factorization.

6655111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11349.

The product of its digits is 900, while the sum is 25.

The square root of 6655111 is about 2579.7501817036. The cubic root of 6655111 is about 188.0983998990.

It can be divided in two parts, 665 and 5111, that added together give a square (5776 = 76²).

The spelling of 6655111 in words is "six million, six hundred fifty-five thousand, one hundred eleven".